Jacob Nemchenok
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Boylston CC-ch | ??/??/1997 | 1022 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| C63 | Ruy Lopez, Schliemann defence | 1 games |
| B06 | Robatsch (modern) defence | 1 games |
| C16 | French, Winawer, advance variation | 1 games |
| C37 | King's Gambit Accepted, Quaade gambit | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B23 | Sicilian, closed | 1 games |
| B70 | Sicilian, dragon variation | 1 games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
| B33 | Sicilian defence | 1 games |


United States